In requirements engineering, a user class may represent different types of system actors. Which of the following could also be considered a user class even though it is not a human?

A hospital plans to develop a mobile health monitoring system for elderly patients. During the requirements gathering phase, the following statements were recorded: The system should reduce emergency response time for elderly patients by 30%. Caregivers should be able to receive notifications when a patient falls. The system must send an SMS alert to registered caregivers when a fall is detected. Which of the following correctly classifies these requirements?

A software team needs to collect feedback from a large number of users located in different locations, and direct meetings are not practical. Which requirements elicitation technique would be most appropriate?

Which of the following best describes the purpose of interviews in requirements elicitation?

Find  V a r ( 2 X 1 + 3 X 2 ) {“version”:”1.1″,”math”:”\(Var(2X_1+3X_2)\)”}

While palpating the precordium, a heave is identified, with lateral displacement of the apical pulse. Such a finding may indicate:

What two ultrasound modes are commonly used in an echocardiogram (an ultrasound of the heart)?

When taking radiographs of exotic companion mammals sedation is necessary because they are prey animals who are easily stressed by restraint. What is a major consideration when sedating these animals? 

For a lateral skull survey radiograph, provide a) Where you measure  b) Where the central ray is pointed c) The borders 

Name the radiographic view this positioning is used for.